Polymer effect on fine metal particles and reactive metal complexes

✍ Scribed by Hirai, Hidefumi

• Publisher: Wiley (John Wiley & Sons)
• Year: 1985
• Weight: 744 KB
• Volume: 14
• Category: Article
• ISSN: 0025-116X
• DOI: 10.1002/macp.1985.020141985106

✦ Synopsis

The c o l l o i d a l rhodium of 9 A i n average d i a m e t e r h a s a h i g h c a t a l y t i c a c t i v i t y f o r hydrogenation of i n t e r n a l o l e f i n s . The c o l l o i d a l palladium of 18 I( i n a v e r a g e d i a m e t e r e x h i b i t s a h i g h c a t a l y t i c s e l e c t i v i t y f o r hydrogenation of d i e n e t o monoene. The p r o t e c t i v e polymers, e.g.. poly-( v i n y l a l c o h o l ) and poly(N-vinyl-2-pyrrolidone), p l a y a n i m p o r t a n t r o l e i n s t a b i l i z i n g t h e c o l l o i d a l d i s p e r s i o n a s a p r o t e c t i v e c o l l o i d and i n i n c r e a s i n g t h e c a t a l y t i c s e l e ct i v i t y through t h e i n t e r a c t i o n w i t h t h e metal p a r t i c l e s . A t o l u e n e s o l u t i o n of aluminium copper c h l o r i d e p r o t e c t e d by l i n e a r p o l y s t y r e n e is prepared as a l i q u i d a b s o r b e n t of carbon monoxide. c r o s s -l i n k e d p o l y s t y r e n e is prepared a s a s o l i d a d s o r b e n t of carbon monoxide.